123222203321129 has 16 divisors (see below), whose sum is σ = 134562367933056. Its totient is φ = 111905100979200.

The previous prime is 123222203321117. The next prime is 123222203321141. The reversal of 123222203321129 is 921123302222321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (123222203321117) and next prime (123222203321141).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123222203321129 is a prime.

It is a super-2 number, since 2×123222203321129² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123222203321429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64263239 + ... + 66152915.

It is an arithmetic number, because the mean of its divisors is an integer number (8410147995816).

Almost surely, 2^{123222203321129} is an apocalyptic number.

It is an amenable number.

123222203321129 is a deficient number, since it is larger than the sum of its proper divisors (11340164611927).

123222203321129 is a wasteful number, since it uses less digits than its factorization.

123222203321129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895776.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 123222203321129 in words is "one hundred twenty-three trillion, two hundred twenty-two billion, two hundred three million, three hundred twenty-one thousand, one hundred twenty-nine".